Suspect in Bulgarian journalist slaying arrested in Germany

Mahoney says that it is too early to say whether Marinova's killing falls into that category.

Bulgarian Interior Minister Mladen Mladenov described the murder as "exceptionally brutal" and said Marinova was raped before she was killed, according tostate media.

Authorities have yet to find a motive behind the murder and said there was no evidence yet to connect her murder to her work.

In what would be her final show to air, Marinova addressed the constraints of practicing journalism in her country.

Azoulay said, "this is essential to defend freedom of expression and freedom of information in Bulgaria and, not least important, to ensure women's safety, dignity and freedom".

She had recently reported on an investigation into alleged corruption involving European Union funds and made her last appearance on TV on 30 September - the debut episode of a relaunched current affairs programme called Detector. She had been raped, beaten and suffocated. "Our thoughts remain with Viktoria Marinova's family and friends", he said in a statement. "A bow in her memory!"

The European Commission has called for a "swift and thorough investigation" into Ms Marinova's killing.

Journalists' groups and European leaders expressed shock at Marinova's murder. "Bulgarian authorities must employ all efforts and resources to carry out an exhaustive inquiry and bring to justice those responsible".

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